Cheap train tickets from Cardiff to Merthyr Tydfil
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Trip Summary
12 trains operate daily from Cardiff to Merthyr Tydfil. The train trip from Cardiff to Merthyr Tydfil is usually about one hour and 5 minutes long. However, traveling on the fastest Transport For Wales train can get you there in as little as one hour and 2 minutes.
Distance | 20 mi (33 km) |
Fastest train | 1h 2m |
Lowest price | $6.80 |
Trains per day | 12 |
Most frequent service | Transport For Wales |
Train lines | 1 |

Which train should you take from Cardiff to Merthyr Tydfil?
Transport For Wales is the one and only train line which connects Cardiff to Merthyr Tydfil. However, there are 12 trains per day to choose from.
Train | Daily Trips | Avg. Time | Avg. Price |
---|---|---|---|
Transport For Wales | 12 | 1h 5m | $6.80 |
Transport for Wales is a trusted provider of passenger rail travel in Wales and the border region with England. Popular trips include Chester to Church Stretton, Caldicot to Cardiff Central station, and Manchester to London. Passengers onboard can enjoy complimentary WiFi and various options for onboard meals, from either a café car or at-seat trolley service for snacks, sodas, and hot drinks.
Frequently asked questions about traveling by train from Cardiff to Merthyr Tydfil
Trains from Cardiff to Merthyr Tydfil are the most crowded on Saturday. Tickets also tend to be more expensive then. If you are looking for a great deal on your train tickets or just want extra room to stretch out, consider traveling on Saturday instead, as it tends to be the least crowded day of the week.
The earliest train departs Cardiff at 5:00am while the last train of the day leaves at 3:00pm. To see all scheduled departure times, use the search function on this page to get the full schedule for your specific travel dates.
There are 12 daily scheduled trains, all of which are direct trains that take you the entire way from Cardiff to Merthyr Tydfil.
You can also take a train for your return trip from Merthyr Tydfil to Cardiff.
City Information
Cardiff

Image credit: Unsplash

Image credit: Unsplash

Image credit: Unsplash
Cardiff is the capital of Wales, as well as its largest city. Although the city was initially founded as a Roman fort, Cardiff has glided effortlessly into the 21st century, offering tourists a diverse mix of old and new.
Looking to explore the city's history? Cardiff Castle at the heart of the city makes for an exciting day out, where visitors can learn about the fascinating 2,000 years of history that the castle represents.
If the castle gets you in the mood to explore more history, the St Fagans National Museum of History will surely satisfy your historical appetite. As one of Europe's leading open-air museums, the museum offers historical attractions that detail history back to the Celtic era.
For those seeking a more modern experience, Cardiff boasts a fantastic selection of shops and cafes, with Cardiff Central Market as the top choice for retail therapy.
Cardiff has excellent transport links, making it an easy place to visit no matter where you're coming from. Cardiff Airport provides access for visitors traveling from off the island, while high-speed rail services make access to and from London simple. Cardiff Central Station also offers direct routes from Bristol, Bath, Manchester, Nottingham, as well as other main cities and towns.
Station Information
Where is the train station in Cardiff?

Image credit: Hugh Llewelyn
Link to image attributionMain departure station: Cardiff Central
Cardiff Central Station is the largest and busiest rail terminal in Wales and one of two primary train stations in Cardiff. A registered historic building, it first opened in 1850 but is known for its art deco concourse and north entrance, both added in the 1930s. Most facilities are in the main concourse, including ATMs, food outlets, and a newsagent. Transport for Wales operates services to south, central, and north Wales, while Cross Country runs hourly services to Gloucester, Birmingham, and Derby. Great Western operates the route to London Paddington via Bristol Parkway.
All train stations in Cardiff:
Cardiff Central
Where is the train station in Merthyr Tydfil?
Main arrival station: Merthyr Tydfil Station
Merthyr Tydfil has one train station.
All train stations in Merthyr Tydfil:
Merthyr Tydfil Station
Get around town with Moovit
Need a return trip from Merthyr Tydfil to Cardiff?
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- Train Tickets
- United Kingdom
- Merthyr Tydfil
- Cardiff to Merthyr Tydfil